The book is now available! 10101...33221 (65-digits)
(another Prime Pages' Curiosity)
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     10101 0101010101 0101099999 9999888888 8877777776 6666655555 4444333221
+ The reversal of 10101010101010101010999999999888888887777777666666555554444333221 is prime. [Firoozbakht]




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